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A195572 as a simple table

n a(n)
1 0
2 9
3 11
4 20
5 819
6 1221
7 2020
8 83629
9 124431
10 206040
11 8529239
12 12690841
13 21014040
14 869898849
15 1294341251
16 2143226060
17 88721153259
18 132010116861
19 218588044060
20 9048687733669
21 13463737578471
22 22293837268080
23 922877427680879

[0,9,11,20,819,1221,2020,83629,124431,206040,
 8529239,12690841,21014040,869898849,1294341251,
 2143226060,88721153259,132010116861,218588044060,
 9048687733669,13463737578471,22293837268080,
 922877427680879]

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Last modified May 25 20:58 EDT 2020. Contains 334597 sequences. (Running on oeis4.)